Home / 3,133.10-4,323.80-1,716.71

Finding the Fourth Proportional to 3,133.10, 4,323.80 and 1,716.71

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Solution

The fourth proportional to 3,133.10, 4,323.80 and 1,716.71 is: 2,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.10 : 4,323.80 = 1,716.71 : x
  2. Step 2: Convert to fraction form
    3,133.10/4,323.80 = 1,716.71/x
  3. Step 3: Cross multiply
    3,133.10x = 4,323.80 × 1,716.71
  4. Step 4: Simplify right side
    3,133.10x = 7,422,680.50
  5. Step 5: Solve for x
    x = 7,422,680.50/3,133.10
  6. Step 6: Final answer
    x = 2,369.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.